Lesser Black-backed Gull graellsii 0V adult, March-April 2015, Maasvlakte, the Netherlands. Picture: Merijn Loeve.
Ringed as breeding bird in May 2013 at Europoort, Zuid-Holland, the Netherlands (5157.00 407.00 E), by R-J Buijs.

Above: April 07 2015.
below: March 26 2015.

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